98results about How to "Easy to track" patented technology

The invention relates to the technical field of disease follow-up visit, in particular to a health state assessment system applied to disease follow-up visit, which comprises a data acquisition module, a data preprocessing module, a health state assessment module, a personalized health management suggestion module, a dynamic health risk prediction module and a visualization module, the data acquisition module acquires multi-dimensional data of a patient and performs data fusion and integration, the health state evaluation module evaluates the health state of the patient based on multi-level feature extraction and a deep learning model, and the personalized health management suggestion module combines a health state evaluation result and historical data to obtain a personalized health management suggestion result. Customized health management suggestions are generated through a rule engine, and the dynamic health risk prediction module predicts future health risks of patients and provides real-time early warning by using a time sequence analysis model. The visualization module displays health assessment and management suggestion results through a chart and an interactive interface, and the accuracy and individuation degree of health management are improved.

The invention relates to the technical field of data processing, in particular to a real estate surveying and mapping data processing method and system based on intelligent data. The method comprises the following steps: acquiring multi-source real estate surveying and mapping data; performing space-time synchronization on the multi-source real estate surveying and mapping data to generate multi-source real estate surveying and mapping space alignment data; real estate space feature extraction is carried out on the multi-source real estate surveying and mapping space alignment data to obtain real estate space feature data; performing cross-domain feature fusion on the multi-source real estate surveying and mapping data based on the real estate spatial feature data to generate real estate surveying and mapping fusion spatial feature data; public surveying and mapping point confirmation is carried out on the multi-source real estate surveying and mapping data through the real estate surveying and mapping fusion spatial feature data, and real estate surveying and mapping public surveying and mapping point data are obtained. Through multi-source data space-time synchronization, feature fusion, distortion correction, high-dimensional space reconstruction, semantic tag association and chain storage, the efficiency and accuracy of real estate surveying and mapping data processing are improved.

The embodiment of the invention relates to the field of trajectory tracking, and discloses a target detection tracking method, system and device and a storage medium, and the method comprises the steps: obtaining a plurality of image frames in a video or image sequence; performing detection by using a target detection model to obtain feature detection information of each image frame; inputting the feature detection information into a trajectory tracking model for analysis and processing, and establishing and tracking a motion trajectory of the target object; wherein the method specifically comprises the following steps of: associating the target object by utilizing the frame similarity among the plurality of bounding boxes; and establishing and tracking a motion track of the target object based on an association result. According to the method disclosed by the invention, the technical problems that the tracking object is difficult to accurately detect and the calculation time is relatively long and relatively large computing power resources need to be occupied are solved, the computing power can be reasonably distributed, the balance of high-precision detection and real-time monitoring is realized, the target object is quickly sensed in a complex shielding environment, and the target object detection and tracking effect is improved.

The invention relates to the technical field of target tracking, and discloses a target tracking method and device, an intelligent selling cabinet and a storage medium. Performing pixel weighting on the original image data to obtain target image data; performing rotating frame labeling on the target image data to obtain labeling information of the target image data; according to the annotation information, performing feature learning on the target image data to obtain smear feature information; obtaining a target detection model according to the smear feature information; and obtaining a target tracking result according to the target detection model. According to the method, the target image data with the smear features are obtained after pixel weighting is carried out on the original data, then rotating frame labeling and feature learning are carried out on the target image data, so that a target detection model learns recognition of the smear features, and understanding of a target motion mode is enhanced. In this way, the target can be accurately detected and tracked in real time in a complex scene where the target rapidly moves.

The present invention provides a trough-type solar concentrating tracking bracket, wherein the adjustable lens bracket is provided with a running wheel set, and the running wheel set is driven by a motor to drive the adjustable lens bracket to move along an arc track, so that the trough-type concentrator installed on the adjustable lens bracket can rotate according to the change of the sun's position, thereby reflecting the sunlight from the most suitable direction to the solar collector tube. In this way, only the adjustable lens bracket needs to move, thereby avoiding the frequent movement of the solar collector tube, which not only reduces the maintenance and repair work of the collector tube, but also improves the high-pressure resistance of the collector tube, and at the same time greatly reduces or even avoids possible safety hazards. Therefore, the trough-type solar concentrating tracking bracket of the present invention can conveniently track the reflection of the sun, and has good practicality and market value.

The invention relates to an intelligent acquisition, analysis, prediction and automatic violation correction method and system based on public traffic violation big data, and belongs to the field of traffic informatization and intelligent management. The objective of the invention is to identify complex and diverse traffic illegal behaviors and analyze massive illegal data. The system comprises data acquisition, processing and storage, analysis and prediction, automatic violation correction and data security. Through multi-source data access, edge calculation and distributed storage, real-time acquisition and efficient processing of illegal behaviors are realized; deep analysis is carried out on the traffic violation data by using deep learning and big data technologies; and through real-time video stream analysis, tracking, recording and evidence obtaining are performed on suspected illegal behaviors. The system adopts a multi-level security protection mechanism, data privacy and security are ensured, and flexible expansion and multi-system collaboration are realized through modular design. Compared with a traditional system, the system has remarkable advantages in the aspects of data acquisition comprehensiveness, processing efficiency, prediction accuracy, violation correction automation, data security and the like.

The invention provides a kit for detecting IDH1 gene mutation based on a CRISPR (clustered regularly interspaced short palindromic repeats) technology and application, and belongs to the technical field of biological detection. The invention develops a new application of the CRISPR technology in detection of IDH1 gene mutation. The CRISPR-Cas12a protein specifically recognizes and cuts a target sequence under the guidance of crRNA designed for an IDH1 target sequence, and meanwhile, powerful trans-enzyme digestion activity is exerted to cut non-specific single-stranded DNA (ssDNA), so that visual detection of a target gene is realized. According to the invention, the crRNA is optimized, so that the detection efficiency of IDH1-R132H mutation is improved, and the application prospect is wide.

The invention relates to the technical field of data analysis, in particular to an alpine region solar central heating intelligent regulation and control system based on big data, which comprises an acquisition processing unit, an analysis control unit and a decision execution unit. A data storage module in the analysis control unit adopts a distributed architecture to store data, predicts a heating demand and a solar heat collection trend by applying a hybrid algorithm fusing a deep learning neural network and a physical model, generates a control instruction and transmits the control instruction to a heat source adjusting module, and the heat source adjusting module adopts an incremental conductance method to adjust solar heating. And the valve driving module adjusts the opening degree of the valve based on a PID algorithm, and the regulation and control precision and the energy utilization efficiency of the heating system are improved.

The invention relates to the technical field of data processing, in particular to an order data processing method and system based on a block chain. The method comprises the following steps: acquiring a multi-source order data set; performing transaction address analysis on the multi-source order data set to generate order transaction address data; order processing server construction is carried out on the multi-source order data through the order transaction address data, and order processing distribution server data is generated; order processing access frequency analysis is carried out on the multi-source order data set through order processing distribution server data, and order processing access frequency data is generated; and performing order screening on the multi-source order data set based on the order processing access frequency data to generate high-frequency order access data and low-frequency order access data. According to the invention, through optimization of multi-source data integration, order access frequency analysis, transaction synchronization and channel optimization, the reliability and efficiency of order transaction are improved.

The application relates to the technical field of medical devices, and discloses a positioning and tracking device, an optical positioning system and a surgical mechanical arm. The positioning and tracking device comprises a base and multiple groups of tracking arrays, the multiple groups of tracking arrays are arranged around the inside of the base, each group of tracking arrays comprises at least three tracking elements, and all the tracking elements in the same group of tracking arrays define a plane corresponding to a current tracking array. Alternatively, all the tracking elements in the same group of tracking arrays define a curved surface corresponding to the current tracking array. The positioning and tracking device, the optical positioning system and the surgical mechanical arm provided by the application can improve the problem in the related art that when the included angle between a tracking element and an optical tracking sensor changes greatly in the process of movement of an end instrument, the optical tracking sensor cannot acquire the position of the tracking element, so that the pose of the end instrument cannot be recognized.

The embodiment of the application provides a kind of determination method of abnormal request, this method includes: through the tracker deployed in node, corresponding entry is allocated for each request to node and the entry identification of generating entry identification;According to the generation order of entry identification, generate entry identification chain, wherein, entry identification chain includes entry identification and the validity state of entry identification;Through the polling detection of request in timer in tracker, determine timeout request, and the request corresponding to the first entry identification of chain is determined as abnormal request;Wherein, the first entry identification of chain is the earliest generation and the validity state is valid in entry identification chain.The technical problem that related art cannot accurately detect and locate abnormal request under the condition of low resource consumption is solved by the embodiment of the application.

This invention discloses a method and system for no-load voltage build-up and pre-synchronization grid connection control of an AC excitation system. The method includes: acquiring the amplitude and phase of the grid voltage in real time via a phase-locked loop when the speed of the doubly-fed induction motor reaches the synchronous speed range; detecting the rotor mechanical position and calculating the slip angle using an encoder; extracting the fundamental component and correcting the phase of the stator-side no-load voltage; setting a target value for the stator voltage based on grid voltage-oriented control and calculating the target rotor current; constructing an inner-loop control loop for the rotor current, calculating the feedforward decoupling term and performing phase compensation; superimposing an outer-loop control loop for the stator voltage, and correcting the rotor current through closed-loop adjustment to eliminate the deviation between the stator-side no-load voltage and the grid voltage; and closing the grid connection circuit breaker and switching the control mode when the preset synchronization conditions are met. The dual-closed-loop control structure achieves precise no-load voltage build-up and smooth pre-synchronization grid connection of the excitation system, improving the stability and reliability of the grid connection process.

The application discloses a stable domain constraint trajectory planning and control method for a modular distributed electric drive heavy load vehicle, comprising the following steps: constructing a nonlinear dynamics model of the modular distributed electric drive heavy load vehicle, fitting a tire lateral force model through a rational polynomial, and establishing a vehicle system state space expression based on the rational polynomial form; adopting a sum of squares planning method to estimate the stable domain of the vehicle under different vehicle speeds, road adhesion coefficients and front, middle and rear wheel turning angles, and analyzing the influence of each state quantity on the shape and boundary of the stable domain; embedding the stable domain constraint into a trajectory planning layer based on a quintic polynomial to generate an obstacle avoidance trajectory meeting the dynamics stability; designing a multi-axle proportional steering strategy based on a steady state assumption, and combining a nonlinear model predictive controller to realize trajectory tracking control, so that the stability and control feasibility of the vehicle in a high-speed dynamic obstacle avoidance process are ensured. Through construction of a high-speed dynamic obstacle avoidance simulation scene, the effectiveness, stability and control feasibility of the stable domain constraint trajectory planning and control framework are verified.

The present application belongs to the technical field of grinding processing, and discloses a control method of a point cloud polishing remote control system based on a sliding mode and adaptive control. The control method comprises the following steps: S1, establishing a dynamic equation of the remote control system to obtain control equations of a master robot and a slave robot; S2, performing point cloud scanning on a weld to be polished to obtain corresponding point cloud data, calculating the depth gradient, dexterity and stiffness of each point in the point cloud data, setting a starting point and an ending point of polishing, and planning an optimal polishing path; and S3, inputting the control equations obtained in step S1 and the optimal polishing path obtained in step S2 into a controller to control the slave robot to polish. Through the present application, the accuracy of the control algorithm and the optimization of the point cloud path search are combined, and the efficiency of remote operation control under polishing conditions is improved.

This invention discloses a partial discharge (PD) signal denoising method based on image information entropy and multivariate variational mode decomposition (MMD). The method involves converting the noisy signal into a grayscale image, calculating the image information entropy, and optimizing the number of modes K in the MMD by combining Pearson correlation coefficient and execution efficiency to determine the optimal value. The noisy PD signal is then decomposed. The kurtosis value of each intrinsic mode component is calculated, and the nature of the mode component is determined based on a threshold, classifying it as either a dominant PD component or a noise component. A mathematical statistical method using the 3σ criterion is employed to filter out normally distributed white noise. The reconstructed signal is then denoised using an improved wavelet thresholding method to obtain the denoised PD signal. This denoising method accurately reduces noise in noisy PD signals, achieving good noise suppression and restoring the waveform characteristics of the PD signal while maintaining high execution efficiency.

The invention relates to the technical field of nonlinear control, and discloses a transverse and lateral attitude controller design method based on an all-wheel-drive system method and interference compensation. The method comprises the following steps: establishing an aircraft transverse and lateral coupling model; according to the transverse and lateral coupling model of the aircraft, calculating a reference control instruction by using an all-drive system method; and obtaining an interference compensation attitude controller by using an active disturbance rejection method, and compensating the reference control instruction through the interference compensation attitude controller to obtain a compensated control instruction. The controller designed by the invention can well track the attitude instruction.

The application discloses a model-unknown unmanned vehicle cluster system identification and self-learning cooperative control method and relates to the technical field of multiple unmanned systems. Firstly, aiming at the complete unknown system model, the application uses a reinforcement learning and data-driven control joint use to design a reinforcement learning system model identification and reconstruction method. Secondly, an optimal cooperative control scheme based on reinforcement learning is designed, and an online adaptive learning cooperative control algorithm depending only on online state information and input information is proposed to learn the optimal control strategy. Under the action of the optimal control strategy, the follower unmanned vehicle can realize optimal tracking of the leading unmanned vehicle through Lyapunov stability analysis method. The model identification and reinforcement learning cooperative control method provided by the application completely relaxes the requirement of vehicle dynamics in the traditional tracking control protocol and realizes efficient cooperative path tracking control.

The utility model discloses a desktop formula wire joint piece scattered silk defect detection device, including the shell body that is located on the desktop, the bottom inner wall of shell body is installed with high definition imaging mechanism, and the front panel on shell body is installed with detection mechanism, the high definition imaging mechanism includes the inclined base fixed mounting on the bottom inner wall of shell body, and the top inclined surface of inclined base is provided with shooting assembly and adjusting assembly, the detection mechanism includes the plug board of inlay formula fixed mounting on the front panel of shell body, and the inboard of plug board is fixedly connected with glass plate through connecting column, and the side fixed mounting of glass plate near plug board has multiple prisms that are circularly distributed, the utility model discloses through high resolution's industrial camera and advanced image recognition algorithm, can accurately identify the tiny defect of wire joint piece, effectively reduces the misjudgment rate, improves product quality, and simple operation simultaneously, and the design structure of desktop formula is compact, and the floor space is small, and is convenient for installation and operation.

The invention relates to the technical field of power grid infrastructure projects. The invention discloses a structured design method and system for a feasibility research report of a power grid infrastructure project. The method comprises the steps of obtaining file data specified by related management of power grid infrastructure in a historical file library, and obtaining a structured text data set; performing structured information extraction on the text data set to obtain a structural framework set of the text; key review element extraction of the feasibility research content review rule is carried out on the text data set, and a key review element set is obtained; establishing logic association for each key review element, each node and each text in the text data set to obtain a mapping relation M of the key review element ID, the node ID and the text ID; according to the mapping relation M, a feasibility research report structure chart is formed, and a power grid infrastructure project feasibility research report template is created. The produced standardized template provides a solid and uniform data basis for treatment, integration and deep analysis of power grid data, thereby directly supporting scientificity and accuracy of investment decision.

The invention discloses a flight simulator joystick control force control method and system based on a self-adaptive sliding mode observer, and relates to the technical field of automatic control. The problems that a controller in an existing flight simulator faces strong coupling, a nonlinear system with various interferences and parameter perturbation exists, and large overshoot, poor robustness and the like are prone to occurring in the control process are solved. The method comprises the following steps: S1, constructing a current equation of the servo motor under a static coordinate system; s2, defining a sliding mode surface function, and designing an adaptive sliding mode observer according to the sliding mode surface function; s3, designing an adaptive law of the back electromotive force; and S4, controlling the servo motor according to the adaptive sliding-mode observer and the adaptive law of the back electromotive force. The method is applied to flight simulator control.

The invention provides a method for measuring asymmetric transient suppression diodes, and the method comprises the steps: providing a plurality of asymmetric transient suppression diodes, carrying out the positioning of each asymmetric transient suppression diode, carrying out the two performance tests of a single-side diode in each asymmetric transient suppression diode, and carrying out the measurement of the performance of each asymmetric transient suppression diode. And screening the plurality of asymmetric transient suppression diodes after each performance test to obtain a target asymmetric transient suppression diode. According to the asymmetric transient voltage suppressor measurement method provided by the invention, multiple times of inspection are realized, the shipment quality is effectively ensured, the test circuit is modified, so that the test of the asymmetric transient voltage suppressor product is realized, the cost is reduced, the test accuracy is high, mass production can be realized, and the application range is wide.

This utility model provides an automated mineral sample dispensing and retention system, relating to the technical field of mineral sample dispensing and retention processes. It includes a conveying unit for conveying original sample boxes and wide-mouth sample bags respectively; a weighing unit for weighing the dispensed and retained samples; a placement unit for placing the dispensed and retained samples; and a moving unit for picking up the original sample boxes and wide-mouth sample bags from the conveying unit and sequentially moving them to the weighing and placement units. This system boasts a high degree of automation, enabling automated dispensing of mineral samples by number, retention of remaining samples, and traceability of remaining sample quality. It ensures the accuracy of mineral sample dispensing and retention information, and allows for fully automated batch processing, benefiting the occupational health and safety of workers, improving work efficiency and quality. It effectively overcomes the technical shortcomings of existing technologies that require manual operation at each stage, have low automation levels, and suffer from significant human error in sample management.

The application discloses a kind of wind generating set intelligent joint commissioning test system and test method, test system is by fan processor, hub processor, communication system, data storage and console constitute, system control and detect fan each component sensor data, judge its performance reliability, finally generate result report, store into database, establish fan digital file;Test control system and unit data transmission protocol TCP / IP, control system passes through output operating system instruction, controls unit equipment action and collects sensor data and system data and carries out comparison judgment, finally generates unit test report.The application improves the test efficiency and quality of wind generating set before delivery, guarantees the high efficiency and accuracy of wind generating set delivery test, guarantees the effective authenticity of test record, is favorable to wind power generating set product digitization, is convenient for tracking and management to wind power generating set, so as to be favorable to realizing the production cycle digitization of wind power generating set.

The present disclosure relates to a manufacturing method for a sensor transmitter for continuous glucose monitoring and, more particularly, to a manufacturing method for a sensor transmitter, capable of generating quality control information in which production information of a sensor and production information of a transmitter that are used for the sensor transmitter during an assembly process of the sensor transmitter are mapped to each other, and storing and managing the generated quality control information in a server, so as to monitor a distribution channel or a sales channel of the sensor transmitter by using the quality control information, use for quality control of the sensor transmitter, or easily track a bad sensor transmitter.

The application discloses a kind of based on acoustic wave FMCW's respiratory frequency detection method, belong to acoustic wave signal processing technical field;Method is: utilize mobile phone loudspeaker to generate a segment frequency continuous change acoustic wave signal, form continuous acoustic wave detection sequence;Mobile phone microphone receives the acoustic wave signal that is reflected back synchronously;To the acoustic wave signal that is reflected back received filtering processing;With reflected signal, the distance change curve of thoracic cavity with breathing movement is generated by autocorrelation operation to transmission signal;Distance change curve is carried out smoothing processing;The main frequency frequency is obtained by fast fourier transform, and respiratory frequency is calculated.The present application effectively suppresses environmental noise interference by using the advantages of FMCW technology, analyzes the autocorrelation coefficient of reflected signal, accurately extracts the thoracic movement information related to respiration, and realizes the accurate detection of human respiratory frequency;Using autocorrelation function is easier to find peak, more easily tracked nature, greatly increase the convenience of user.

The invention discloses a polar axis type turntable system carrying an optical mirror surface and a method and belongs to the technical field of optical equipment. In the prior art, a laboratory light path is controlled by manual adjustment, human errors are easily introduced, and the stability is poor. In the polar axis type rotary table system carrying the optical mirror surface, a two-dimensional reflector assembly is fixed on the upper side of a connecting plate, an area light source generator is located on the upper portion of a laboratory, a light source receiver is arranged at a certain height of a test bed on the right side of the two-dimensional reflector assembly, and a ball screw driving device and a guide rail are located at the bottom of the connecting plate and can move in the laboratory in a one-dimensional mode. The two-dimensional reflecting mirror assembly forms a precise two-dimensional rotating platform, and a reflecting light path is automatically tracked according to a control method of the two-dimensional reflecting mirror assembly. The device has universality in application scenes, and due to the unique closed-loop feedback control mechanism and the method of combining the area light source generator with the lead screw sliding rail, a light path has higher stability and accuracy.

This invention relates to a LOTO information-based and intelligent integrated security management method, comprising the following steps: 1) Optimizing the YOLO human body recognition algorithm under high-definition images, dividing the image into multiple regions with the same resolution as the standard image of the algorithm, and recognizing them separately; 2) Using OpenCV for image stitching, dividing, matching, and stitching these regional images so that the segmented object remains intact after the fusion of multiple images, avoiding duplicate recognition; 3) Adding motion foreground detection, using OpenCV for foreground detection; 4) Visual recognition of the number of locks; 5) Label recognition, using OCR to visually recognize security warning words; 6) Visual recognition of equipment status, developing algorithms for on-site equipment scenarios to identify the operating status of the equipment; This invention can reduce the risks caused by subjective factors of personnel in the traditional LOTO operation process, greatly improving LOTO security.

The application relates to a kind of twelve-phase permanent magnet motor control methods based on rotating shaft position observation, belong to motor control technical field. By equivalent twelve-phase permanent magnet synchronous motor to four three-phase control units;Design state observer based on rotating shaft for each unit to observe back electromotive force;Through phase-locked loop, the rotor position and speed signal of each unit is extracted from back electromotive force;According to master-slave control method, select one from four control units as master controller, use the rotor position and speed signal corresponding to the master controller as the final observation result of the system;At the same time, it is used as feedback signal, input to the double closed loop vector control system of twelve-phase permanent magnet synchronous motor, realize twelve-phase high-speed permanent magnet synchronous motor sensorless control. The observer based on rotating coordinate system of the application is better designed, and is more stable when low carrier ratio control.

The invention provides a group chat management method and device based on task nodes, equipment and a storage medium, and relates to the technical field of information management, and the method comprises the steps: presetting a task node arrangement sequence, creating a target group chat associated with a target question when monitoring information of the target question meets a group chat triggering condition, and according to the task node arrangement sequence, creating a group chat associated with the target question; and sequentially adding the target users corresponding to the task nodes to the target group chat. As the target group chat can be automatically created when the monitoring information of the target problem meets the group chat triggering condition, a user does not need to create the target group chat, and waste of resources is avoided. The target users are sequentially added according to the sequence of the task nodes, management of the group chat is more reasonable, tracking of the target problem is facilitated, the target users are added according to the sequence of the task nodes, the target users in the target group chat can discuss for the same task node, instant messaging can be achieved, and the problem solving efficiency can be improved.

The invention belongs to the technical field of oil and gas field development reservoir transformation, and discloses a tracer agent for multilayer fracturing flowback monitoring, a preparation method and application, according to the preparation method, the effectiveness of the tracer agent is evaluated through an experimental means, and it is guaranteed that the effective tracer agent can be used for monitoring a flowback curve of fracturing fluid flowback volume along with time; according to the application method, a tracer agent is used for marking fracturing fluid, and the initial fracturing fluid dosage and the initial tracer agent dosage are recorded; after flowback is started, accumulated flowback volume is recorded at a fixed time interval, the real-time concentration of the tracer agent is measured, and the flowback volume of each section is calculated; according to the return volume of each section and the accumulated return volume of each section, the return curve and the accumulated return rate of each section are calculated, the liquid production contribution rate and the production sequence of each layer section can be accurately obtained, and the liquid production capacity can be calculated in a semi-quantitative mode. Through flow-back liquid sample detection and data analysis, the liquid drainage sequence, the flow-back contribution rate and the like of each layer section can be determined, and data support is provided for subsequent construction.